| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
0.5%
|
|
| 1 | 256 |
28%
|
|
| 2 | 176 |
19.3%
|
|
| 3 | 136 |
14.9%
|
|
| 4 | 59 |
6.5%
|
|
| 5 | 85 |
9.3%
|
|
| 6 | 30 |
3.3%
|
|
| 7 | 166 |
18.2%
|
|
| Sysmiss | 1301 |